Question

ПЛИЗ!! 5-x=5+x. 5x+3=3,5-x

Answer 1

5-x=5+x.
-x-x=5-5
-2x=0
x=0

5x+3=3,5-x
5x+x=3,5-3
6x=0,5
x=0,5:6
x=5:60
x = 1/12

Answer 2

5-х=5+х
2х=0
х=0

5х+3=3.5-х
6х=0.5
х=1/12